What's there to understand? He asked Ellen, her DJ and one of the writers to draw something beforehand. It's altogether possible they decided on what to draw and in what order the drawings would be shown, so there's no actual mystery here…

Uh, yeah dude. He's got someone feeding him the info into an earpiece. Duh. If he had earplugs and duct tape around his ears I'd be more impressed. Of course Ellen and staff are in on it. They shouldn't take the audience for granted.

In July, father John McCain was diagnosed with stage 4 glioblastoma, an aggressive form of brain cancer, which also claimed Beau's life.

When the 33-year-old began crying, the politician went over and consoled her, adding:

"There is hope... And if anybody can make it, your dad [can]."

Biden is also optimistic about "breakthroughs that are occurring now," regarding potential treatment options and cures.

"There's a lot of things happening. Any of you who have somebody who is diagnosed with gliobastoma, which is about as bad as it gets, there's breakthroughs that are occurring now... And it can happen tomorrow."